Answer:
5
Step-by-step explanation:
Using the rule of radicals
×
⇔
, then

= 
=
× 
= 5
Answer:
60
Step-by-step explanation:
100% = 80,
75% = 80/100*75= 60
Answer:
15
Step-by-step explanation:
please give me brailiest

can also be written as 2i
where i = √-1

Rationalizing denominator,